RJV DateCalc is a free Date Calculator for Smartphone 2003 developed using Visual Basic.Net.

It has the following functions:

1. +/- Days:
Add or minus x day(s) from now and check what day it was or is.

2. Countdown:
Tells you how much time is left in days, hours, minutes and seconds for a particular event (say Christmas). Enter any holiday or event date. Default is Christmas.

3. Difference:
Computes the difference between two dates in years, months, weeks, days, hours, minutes, seconds and milliseconds.

Enter two valid dates (accepts any date format) and press Compute.

4. Exact Age:
Computes your age or other person's exact age in years, months, days, hours, minutes and seconds. Also tells you what day you were born and your next birthday in days, hours, minutes and seconds.

5. Leap Year:
Checks whether a given year is or was a leap year or not. Enter a valid year (YYYY) and press Check.

6. What Day:
Shows you what day a given date is or was. If you want to immediately know what day you were born, what day is your next birthday, etc. this function will be of great help to you. Enter a valid date and press Tell Me.

Enjoy!!!